Detecting DNA (IMAGE) Howard Hughes Medical Institute Caption DETECTR, a DNA-detection system based on CRISPR biology, can spot specific DNA snippets in human samples, and could help identify infections, cancer, and more. Credit HHMI Usage Restrictions Use with credit. License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.